There is also http://plancast.com http://plancast.com and http://lanyrd.com http://lanyrd.com (though the latter is aimed more at conferences). I haven't found

There is also http://plancast.com http://plancast.com and http://lanyrd.com http://lanyrd.com (though the latter is aimed more at conferences). I haven't found either to be that effective in promoting an event, but since it's free to create an event, it may not hurt. Facebook Events may have its drawbacks (the login wall), but I've found that sharing an event via Facebook - as opposed to email with Evite, Eventbrite, Meetup, etc - can be slightly more effective. That's just my experience though.